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This commit is contained in:
5ec1cff
2023-12-12 12:12:42 +08:00
parent 483987b7e6
commit feb34c701d
5 changed files with 80 additions and 20 deletions
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70
loader/src/ptracer/monitor.cpp
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@@ -120,7 +120,7 @@ struct Status {
bool zygote_injected = false;
bool daemon_running = false;
pid_t daemon_pid = -1;
std::string daemon_crash_reason;
std::string daemon_info;
};
static Status status64;
@@ -154,20 +154,54 @@ struct SocketHandler : public EventHandler {
}
void HandleEvent(EventLoop &loop, uint32_t event) override {
Command cmd;
struct [[gnu::packed]] MsgHead {
Command cmd;
int length;
char data[0];
};
for (;;) {
auto nread = read(sock_fd_, &cmd, sizeof(cmd));
std::vector<uint8_t> buf;
buf.resize(sizeof(MsgHead), 0);
MsgHead &msg = *reinterpret_cast<MsgHead*>(buf.data());
ssize_t real_size;
auto nread = recv(sock_fd_, &msg, sizeof(msg), MSG_PEEK);
if (nread == -1) {
if (errno == EAGAIN) {
break;
}
PLOGE("read socket");
}
if (nread != sizeof(cmd)) {
LOGE("read %zu != %zu", nread, sizeof(cmd));
if (static_cast<size_t>(nread) < sizeof(Command)) {
LOGE("read %zu < %zu", nread, sizeof(Command));
continue;
}
switch (cmd) {
if (msg.cmd >= Command::DAEMON64_SET_INFO) {
if (nread != sizeof(msg)) {
LOGE("cmd %d size %zu != %zu", msg.cmd, nread, sizeof(MsgHead));
continue;
}
real_size = sizeof(MsgHead) + msg.length;
} else {
if (nread != sizeof(Command)) {
LOGE("cmd %d size %zu != %zu", msg.cmd, nread, sizeof(Command));
continue;
}
real_size = sizeof(Command);
}
buf.resize(real_size);
nread = recv(sock_fd_, &msg, real_size, 0);
if (nread == -1) {
if (errno == EAGAIN) {
break;
}
PLOGE("recv");
continue;
}
if (nread != real_size) {
LOGE("real size %zu != %zu", real_size, nread);
continue;
}
switch (msg.cmd) {
case START:
if (tracing_state == STOPPING) {
tracing_state = TRACING;
@@ -202,6 +236,16 @@ struct SocketHandler : public EventHandler {
status32.zygote_injected = true;
updateStatus();
break;
case DAEMON64_SET_INFO:
LOGD("received daemon64 info %s", msg.data);
status64.daemon_info = std::string(msg.data);
updateStatus();
break;
case DAEMON32_SET_INFO:
LOGD("received daemon32 info %s", msg.data);
status32.daemon_info = std::string(msg.data);
updateStatus();
break;
}
}
}
@@ -341,8 +385,8 @@ public:
auto status_str = parse_status(status); \
LOGW("daemon" #abi "pid %d exited: %s", pid, status_str.c_str()); \
status##abi.daemon_running = false; \
if (status##abi.daemon_crash_reason.empty()) { \
status##abi.daemon_crash_reason = status_str; \
if (status##abi.daemon_info.empty()) { \
status##abi.daemon_info = status_str; \
} \
updateStatus(); \
continue; \
@@ -465,11 +509,11 @@ static void updateStatus() {
if (status##suffix.daemon_running) status_text += "😋running"; \
else { \
status_text += "❌crashed"; \
if (!status##suffix.daemon_crash_reason.empty()) { \
status_text += "("; \
status_text += status##suffix.daemon_crash_reason; \
status_text += ")"; \
} \
} \
if (!status##suffix.daemon_info.empty()) { \
status_text += "("; \
status_text += status##suffix.daemon_info; \
status_text += ")"; \
} \
}
WRITE_STATUS_ABI(64)